JS1k: The JavaScript code golfing competition

for(var f=[],i=!1,j=0;j<7;j++)f.push([0,0,0,0,0,0]);function k(d,e){for(var b=0;b<7;b++)for(var g=0;g<6;g++){for(var o=0,h=0;h<4;h++)f[b+h*d]&&f[b+h*d][g+h*e]&&f[b+h*d][g+h*e]===C&&o++;if(o===4)return!0}return!1}c.width=385;c.height=380;var l=Math,m=!0;D=function(d,e){a.beginPath();a.arc(55*d+25,55*e+75,25,0,l.PI*2,!0);a.fill()};a.fillStyle="#333";for(var n=0;n<7;n++)for(var p=0;p<6;p++)D(n,p);function q(){a.font="24pt sans-serif";a.fillStyle="#FFF";a.fillRect(0,0,400,50);a.fillStyle=m?"#F66":"#68F";a.fillText((m?"red":"blue")+"'s turn",120,35)}q();c.onclick=function(d){C=m?"red":"blue";d=l.floor(d.clientX/55);for(var e,b=5;b>=0;b--)if(f[d][b]!==void 0&&f[d][b]===0){e=b;f[d][e]=C;break}b=55*d+25;var g=55*e+75;b=a.createRadialGradient(b,g,10,b,g,35);b.addColorStop(0.2,C);b.addColorStop(1,"#AAA");if(e!==void 0)a.fillStyle=b,D(d,e);if(k(1,0)||k(0,1)||k(1,1)||k(1,-1))i=!0;i?(a.fillStyle="#FEA",a.fillRect(0,0,380,48),a.fillStyle=m?"#F66":"#68F",a.fillText(C+" wins!",120,35),c.onclick=""):(m=!m,q())};

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